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VOXELIA 3D

Flat Roof

Flat roof survey by drone.

Precise flat roof survey including all structures – without roof access, in 24 hours.

  • First project free
  • then from €45 per project
  • no subscription needed
3D model of an office building with flat roof and rooftop equipment
Flat roof · real projectModel from a delivered project – not a stock image.

Project delivery

Your drone photos. Usable project data.

You provide the imagery. We review the dataset, prepare the right measurement and model data, and deliver it so your team can keep working immediately.

Your input
  • Drone images of flat roof and surroundings
  • Building address and property boundaries
  • Purpose of survey (PV, renovation, structural, FM)
  • Optional: Scale reference or RTK data
Your output
  • Flat roof area measurement in m²
  • 3D model with roof drainage, vents, parapet
  • Orthophoto with scale
  • Slope analysis and drainage planning
  • Floor plans and site overview
Target software
  • PV*SOL
  • AutoCAD
  • Revit
  • MagicPlan

Project use

Why drone-based flat roof measurement is more cost-effective and safe

Traditional measurements require roof access, scaffolding, safety protocols, and coordination with occupational safety regulations. This takes time, costs money, and carries risks. Drone surveying eliminates these hazards: measurement is done in minutes, data is complete and precise, and costs are significantly lower than traditional methods.

For facility managers and solar teams handling multiple flat roofs, the per-project savings quickly add up. Plus, the digital archive enables quick re-measurements, historical comparisons, and documented asset management.

Use cases

  1. PV layout planning on flat roofs considering all obstacles

  2. Roof membrane inspection and renovation planning with accurate area data

  3. Facility management and periodic roof monitoring

  4. Inventory and asset tracking on rooftops

  • Secure online payment
  • No subscription for single projects

Ready to order

Start PV roof model directly.

Review the price, pay securely, then receive the upload link. For edge cases, we review the dataset before weak image sets are processed.

Starting price

€45

up to 1,000 m². Pre-calculated: €45

  • PV-ready roof model

  • Ready for PV*SOL/Eturnity

  • No subscription for single projects

Process

How you receive your project data

  1. Drone flight

    Complete image coverage of the flat roof.

  2. Image processing

    Reconstruction and measurement of roof area.

  3. Structure mapping

    Capture all roof structures and obstacles.

  4. Export & delivery

    DXF, orthophoto, report in 24 hours.

Read on

Related pages

Get started

The first project is on us.

Upload your drone photos. Standard projects are ready in 24–48 hours – for PV*SOL, AutoCAD, GIS or the browser.

First project without a credit card · then from €45 per project · no subscription needed